/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/GroupTopology.h
Generates group edges and boundary structs for given group. Returns false if failed to find group boundaries.
bool GenerateBoundaryAndGroupEdges ( [FGroup](API\Plugins\DynamicMesh\FGroupTopology\FGroup) & Group, [TMap](API\Runtime\Core\Containers\TMap)< int32, int32 > & GroupEdgeMinEidToGroupEdgeID, [TBitArray](API\Runtime\Core\Containers\TBitArray)<> & VertCheckedForCorner )